2(x-7)+3=2x-10 This question has how many solutions

Mathematics

2 answers:

ycow [4]3 years ago

8 0

I believe the answer is 0=1

Helen [10]3 years ago

6 0

Answer:

there are no values of x that make the equation true

Step-by-step explanation:

there is no solution

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Help . will mark best answer

ZanzabumX [31]

answer: infinitely many :)

5 0

3 years ago

Please help!!!!! Ty!!!!

aalyn [17]

Answer:

3000 + 250x = his monthly pay

Step-by-step explanation:

x=how many cars he sells

3 0

3 years ago

I only need help on the second and third one

Iteru [2.4K]

let's first off notice that, on the 2), the sector is really half of the whole circle, and on 3) the sector is one quarter of the whole circle.

now, on 2) AB is the diameter of 4 units, therefore it has a radius of 2, or half that.

$\bf \boxed{2} \\\\\\ \stackrel{\textit{area of a circle}}{A=\pi r^2}~~ \begin{cases} r=radius\\[-0.5em] \hrulefill\\ r=2 \end{cases}\implies A=\pi 2^2\implies A=4\pi \\\\\\ \stackrel{\textit{half of that}}{A=2\pi}\implies A=\stackrel{\textit{rounded up}}{A=6.3~ft^2} \\\\[-0.35em] ~\dotfill$

$\bf \boxed{3} \\\\\\ \stackrel{\textit{area of a circle}}{A=\pi r^2}~~ \begin{cases} r=radius\\[-0.5em] \hrulefill\\ r=20 \end{cases}\implies A=\pi 20^2\implies A=400\pi \\\\\\ \stackrel{\textit{one quarter of that}}{A=100\pi }\implies \stackrel{\textit{rounded up}}{A=314.2~in^2}$